diff --git a/src/kuitmarkup.cpp b/src/kuitmarkup.cpp
--- a/src/kuitmarkup.cpp
+++ b/src/kuitmarkup.cpp
@@ -1123,9 +1123,11 @@
 
     KuitFormatterPrivate(const QString &language);
 
+    ~KuitFormatterPrivate();
+
     QString format(const QByteArray &domain,
                    const QString &context, const QString &text,
-                   Kuit::VisualFormat format) const;
+                   Kuit::VisualFormat format);
 
     // Get metatranslation (formatting patterns, etc.)
     QString metaTr(const char *context, const char *text) const;
@@ -1198,34 +1200,41 @@
     QHash<Kuit::VisualFormat, QString> guiPathDelim;
 
     QHash<QString, QString> keyNames;
+    const KuitSetup *setup;
 };
 
 KuitFormatterPrivate::KuitFormatterPrivate(const QString &language_)
-    : language(language_)
+    : language(language_), setup(nullptr)
+{
+}
+
+KuitFormatterPrivate::~KuitFormatterPrivate()
 {
+    delete setup;
 }
 
+
 QString KuitFormatterPrivate::format(const QByteArray &domain,
                                      const QString &context, const QString &text,
-                                     Kuit::VisualFormat format) const
+                                     Kuit::VisualFormat format)
 {
-    const KuitSetup &setup = Kuit::setupForDomain(domain);
+    setup = &Kuit::setupForDomain(domain);
 
     // If format is undefined, determine it based on UI marker inside context.
     Kuit::VisualFormat resolvedFormat = format;
     if (resolvedFormat == Kuit::UndefinedFormat) {
-        resolvedFormat = formatFromUiMarker(context, setup);
+        resolvedFormat = formatFromUiMarker(context, *setup);
     }
 
     // Quick check: are there any tags at all?
     QString ftext;
     if (text.indexOf(QL1C('<')) < 0) {
         ftext = finalizeVisualText(text, resolvedFormat);
     } else {
         // Format the text.
-        ftext = toVisualText(text, resolvedFormat, setup);
+        ftext = toVisualText(text, resolvedFormat, *setup);
         if (ftext.isEmpty()) { // error while processing markup
-            ftext = salvageMarkup(text, resolvedFormat, setup);
+            ftext = salvageMarkup(text, resolvedFormat, *setup);
         }
     }
     return ftext;